<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>注册页面</title>
    <link rel="stylesheet" href="css/conmmon.css">
    <link rel="stylesheet" href="css/login.css">
    <script src="js/jquery.min.js"></script>
</head>

<body>
    <!-- 导航栏 -->
    <div class="nav">
        <img src="img/小灰灰.jpeg" alt="">
        <span class="title">我的博客系统</span>
        <!-- 用来占据中间位置 -->
        <span class="spacer"></span>
        <a href="blog_list.html">主页</a>
        <a href="blog_add.html">写博客</a>
        <a href="login.html">登陆</a>
        <!-- <a href="#">注销</a> -->
    </div>
    <!-- 版心 -->
    <div class="login-container">
        <!-- 中间的注册框 -->
        <div class="login-dialog">
            <h3>注册</h3>
            <div class="row">
                <span>用户名</span>
                <input type="text" id="username">
            </div>
            <div class="row">
                <span>密码</span>
                <input type="password" id="password">
            </div>
            <div class="row">
                <span>确认密码</span>
                <input type="password" id="password2">
            </div>
            <div class="row">
                <button id="submit" onclick="mysub()" style='font-size:20px'>提交</button>
            </div>
        </div>
    </div>
    <script>
        // 提交注册事件
        function mysub() {
            // 1. 非空校验
            var username = jQuery("#username");
            var password = jQuery("#password");
            var password2 = jQuery("#password2");
            if(username.val() == "") {
                alert("请先输入用户名！");
                // 当用户点击确认之后，将光标定位到用户名的控件
                username.focus();
                return;
            }
            if(password.val() == "") {
                alert("请先输入密码！");
                password.focus();
                return;
            }
            if(password2.val() == "") {
                alert("请先输入确认密码！");
                password2.focus();
                return;
            }
            if(username.val().length < 5 || username.val().length > 20) {
                alert("用户名和密码应该为5-20之间！");
                username.focus();
                return;
            }
            if(password.val().length < 5 || password.val().length > 20) {
                alert("用户名和密码应该为5-20之间！");
                password.focus();
                return;
            }
            if(password2.val().length < 5 || password2.val().length > 20) {
                alert("用户名和密码应该为5-20之间！");
                password2.focus();
                return;
            }
            // 2. 判断两次密码是否一致
            if(password.val() != password2.val()) {
                alert("两次密码输入不一致！请先检查");
                password.focus();
                return;
            }
            // 3. 发送 ajax 请求
            jQuery.ajax({
                url:"user/reg", 
                type:"POST",
                data:{
                    "username": username.val(),
                    "password": password.val()
                },
                success: function(result) {
                    // 响应的结果
                    if(result != null && result.code == 200 && result.data == 1) {
                        // 执行成功
                        if(confirm("注册成功！是否要跳转到登录界面？")) {
                            location.href = "/login.html";
                        }
                    }else {
                        // 执行失败
                        alert("当前用户名已存在！请重试");
                        username.focus();
                    }
                }
            });
        }
    </script>
</body>



</html>